DNSWHOIS.INFO - 81.142.38.in-addr.arpa

Search for IP or hostnames:

81.142.38.in-addr.arpa checked at 2025-11-03T18:08:16.341Z 129ms 50/50/50 100% R:13

`81.142.38.in-addr.arpa`

NS	`auth1.dns.cogentco.com`
		A	2001:550:1:a::d ^{🇺🇸 COGENT}
			PTR	`auth1.dns.cogentco.com`
		A	66.28.0.14^{🇺🇸 COGENT}
			PTR	`auth1.dns.cogentco.com`
NS	`auth2.dns.cogentco.com`
		A	2001:550:1:b::d ^{🇺🇸 COGENT}
			PTR	`auth2.dns.cogentco.com`
		A	66.28.0.30^{🇺🇸 COGENT}
			PTR	`auth2.dns.cogentco.com`

`142.38.in-addr.arpa`

	NS	`auth1.dns.cogentco.com`
	NS	`auth2.dns.cogentco.com`

Up

19.81.142.38.in-addr.arpa

Starts with same word

81.ph

81.lt

81.pl

81.ws

81.fyi

81.nu

81.ca

81.com.hk

81.cx

81.amsterdam

81.cn

81.cl

81.com

81.sk

81.co.uk

81.la

81.world

81.hk

81.se

81.cm

81.fr

81.cc

81.org

81.be

81.in-addr.arpa

81.to

81.cool

81.mil.cn

81.plus

81.de

81.waw.pl

81.biz

81.me

81.gs

81.cz

Starts similarily

81.cc

18.cl

81.org

81.be

81.in-addr.arpa

18.dating

18.md

81.to

18.org

81.cool

18.fr

18.com

18.sk

81.mil.cn

81.plus

18.group

81.de

81.waw.pl

18.plus

81.biz

81.me

18.kz

81.gs

18.tl

18.al

81.cz

81.ph

81.lt

18.eu

18.de

81.pl

18.co

18.lt

18.app

18.tel

18.cool

18.uz

18.no

18.in-addr.arpa

81.ws

18.lc

18.gs

18.githubusercontent.com

81.fyi

81.nu

18.world

81.ca

81.com.hk

18.ph

18.watch

81.cx

18.com.cn

18.ca

18.cc

18.ws

18.network

18.com.tw

18.com.pl

81.amsterdam

18.com.tr

18.amsterdam

81.cn

18.chat

18.dk

18.tech

81.cl

18.digital

18.ms

81.com

18.money

81.sk

18.show

18.cz

18.com.hk

18.nl

18.vip

81.co.uk

81.la

18.net.au

81.world

81.hk

81.se

18.fi

18.tv

81.cm

18.pe

18.rs

18.cn

81.fr

18.hu

18.hk

AI analysis

81.142.38.in-addr.arpa is the parent of 19.81.142.38.in-addr.arpa.

81.142.38.in-addr.arpa's delegation uses two name servers, auth1.dns.cogentco.com and auth2.dns.cogentco.com.

81.142.38.in-addr.arpa shares the same name server setup as other domains, for example 226.201.38.in-addr.arpa, cls-services.com, 170.113.38.in-addr.arpa, 126.122.38.in-addr.arpa and 37.109.38.in-addr.arpa.

81.142.38.in-addr.arpa at least partially shares name servers with other domains, including 252.28.216.in-addr.arpa, beavertonpackaging.com, ups.tc, theupsstore.dk and radiodrei.de.

These name servers are often used together with cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net, ns1.fnsi.net, ns2.fnsi.net, ns3.fnsi.net, nsa.ups.com, nsb.ups.com, ns1.vodafone-ip.de and ns2.vodafone-ip.de.

Host names with two IPs:

auth1.dns.cogentco.com points to: 2001:550:1:a::d and 66.28.0.14

auth2.dns.cogentco.com points to: 2001:550:1:b::d and 66.28.0.30

dbq